CN105486843A - Soil body permeation-adsorption tester and testing method thereof - Google Patents

Soil body permeation-adsorption tester and testing method thereof Download PDF

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Publication number
CN105486843A
CN105486843A CN201610055252.3A CN201610055252A CN105486843A CN 105486843 A CN105486843 A CN 105486843A CN 201610055252 A CN201610055252 A CN 201610055252A CN 105486843 A CN105486843 A CN 105486843A
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China
Prior art keywords
soil
steel column
valve
organic glass
measuring equipment
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CN201610055252.3A
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Chinese (zh)
Inventor
蒋希雁
任晓亮
张雷刚
侯恩品
郭阳阳
张耀锋
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Hebei University of Architecture
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Hebei University of Architecture
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Priority to CN201610055252.3A priority Critical patent/CN105486843A/en
Publication of CN105486843A publication Critical patent/CN105486843A/en
Pending legal-status Critical Current

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    • GPHYSICS
    • G01MEASURING; TESTING
    • G01NINVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N33/00Investigating or analysing materials by specific methods not covered by groups G01N1/00 - G01N31/00
    • G01N33/24Earth materials

Abstract

The invention discloses a soil body permeation-adsorption tester and a testing method thereof and relates to the technical field of civil engineering testing. The soil body permeation-adsorption tester comprises a confining pressure exerting and fluctuation measurement device, a liquid volume measurement device, a computer and a data acquisition system and further comprises a permeation and water injection device, a contaminating fluid injection device, an organic glass jar, a rubber mold, an upper steel column and a lower steel column, wherein a soil column is put in the rubber mold, air-permeable stones are put in the upper and lower portions of the soil column, the lower steel column supports and seals the lower portions of the lower air-permeable stones, the upper steel column is arranged on the upper air-permeable stones and is sealed, and the rubber mold, the upper steel column and the lower steel column are arranged in the sealed organic glass jar. The soil body permeation-adsorption tester can perform testing in different fluctuant axisymmetric stress states, can perform permeability determination through a variable head method and a hydrostatic head method, has the advantages of being accurate in measurement, high in accuracy and small in measurement result error and can further perform an adsorption test, and measurement results are more accurate. Resources are effectively utilized, the production cost is reduced, and the soil body permeation-adsorption tester is more flexible and convenient to use.

Description

Soil body penetration-adsorption test instrument and test method thereof
Technical field
The present invention relates to civil engineering work technical field of measurement and test, specifically a kind of soil body penetration-adsorption test instrument and test method thereof.
Background technology
Laboratory test in the middle of engineering test in occupation of very important status, mainly due to the limit decision of field condition, osmosis in the soil body has important impact to the stability of the soil body and sedimentation, show according to interrelated data, in the many accidents occurred in Construction of Civil Engineering process, the accident caused due to osmosis occupies more than 85%, so permeability test is more and more subject to the attention of prospective design and unit in charge of construction, and with the relevant issues of permeability test also displaying gradually; In environmental geotechnical, refuse landfill is the important topic of correlative study, wherein the migration problem of refuse pollution liquid is again Important Problems wherein, in contaminating fluid transition process, except seepage effect, the soil body is to the suction-operated of contaminating fluid also in occupation of suitable proportion, and the sorbing material that present stage most refuse landfill uses mostly is cohesive soil, so measure the characterization of adsorption of cohesive soil, there is important effect for research and design refuse landfill.
So, in order to the generation of this kind of peril can be stopped in design prospecting afterwards and work progress, we must measure accurately and effectively to the infiltration of the soil body and characterization of adsorption, but also need infiltration and the characterization of adsorption that can simulate the soil body under axi-symmetric stress condition.
Present tradition measures infiltrative method and is generally variable water level method and hydrostatic head method, and these two kinds of methods use different instruments.The conventional method measuring adsorption by soil is Batch method and soil-column test, and due to the difference of Principle Method, the test findings of the latter is often less than normal.So in order to the consideration of safety, the measurement result of soil-column test generally can be used for design parameter.The error that a defect of these methods mainly can not simulate axi-symmetric stress condition and result is larger.
Summary of the invention
Technical matters to be solved by this invention is to provide a kind of soil body penetration-adsorption test instrument, can test at the axi-symmetric stress condition of difference fluctuation, and variable water level method and hydrostatic head method mensuration perviousness can be carried out, have and measure the feature accurate, precision is high, measuring result error is little, can also carry out adsorption test, measurement result is more accurate; Effectively make use of resource, reduce production cost, use more flexible.
Another technical matters to be solved by this invention is to provide a kind of soil body penetration-Adsorption Test Method, has that process is simple, workable, the reliable feature of test figure.
For solving the problems of the technologies described above, the technical solution used in the present invention is:
A kind of soil body penetration-adsorption test instrument, comprise confined pressure applying, fluctuation measuring equipment, liquid volume measuring equipment, computing machine and data acquisition system (DAS), also comprise infiltration water filling device, contaminating fluid injection device, organic glass cylinder, rubber pattern, upper steel column and lower steel column, earth pillar is positioned in rubber pattern, earth pillar transfers permeable stone, lower steel column supports and is sealed in below lower permeable stone, upper steel column be placed in upper dankness stone above and seal, rubber pattern, upper steel column and lower steel column are placed in the organic glass cylinder of sealing;
Infiltration water filling device is communicated with lower permeable stone by water injection pipe, and is provided with the downtake pipe be communicated with lower permeable stone, is also provided with the second exhaust pipe be communicated with upper dankness stone, water injection pipe and gas outlet are equipped with valve;
Contaminating fluid injection device enters pipe by contaminating fluid and is connected with upper dankness stone, and is provided with the 3rd gas outlet be communicated with lower permeable stone, and contaminating fluid enters on pipe and the 3rd gas outlet and is equipped with valve;
3rd gas outlet and being all connected with liquid volume measuring equipment with the second exhaust pipe that upper dankness stone is communicated with;
The upper end of organic glass cylinder is provided with for the water filling port to water filling in organic glass cylinder, confined pressure applying, fluctuation measuring equipment are from the lower end of organic glass jar and cylinder inner space, and confined pressure applies, fluctuation measuring equipment is connected with data acquisition system (DAS) with computing machine with liquid volume measuring equipment.
Wherein, the upper end of organic glass cylinder is by upper sealing panel and the sealing of lower seal plate, and its lower end is also by upper sealing panel and the sealing of lower seal plate.
A kind of test method of soil body penetration permeability test comprises the following steps:
1) earth pillar sample producing, and put into rubber pattern;
2) permeable stone is put at the two ends up and down of earth pillar sample;
3) rubber pattern putting into earth pillar and permeable stone is put into organic glass jar, the two ends up and down of rubber pattern support sealing, sealing with seal pad up and down of organic glass cylinder with steel column and lower steel column respectively;
4) by water filling port to topped up with water in organic glass cylinder;
5) add clear water at infiltration water filling device, open the valve on water injection pipe and downtake pipe simultaneously, carry out water filling exhaust, to downtake pipe, bubble-free is discharged, and closes the valve on downtake pipe immediately;
6) valve opened on second exhaust pipe is exhausted permeable stone above, valve-off immediately after discharging to bubble-free;
7) confined pressure applying, fluctuation measuring equipment are exerted pressure, and open the valve on second exhaust pipe, utilize liquid volume measuring equipment and infiltration water filling device to carry out record, finally measure infiltration coefficient;
The step of the test method of adsorption test is as follows:
Step 1-step 3 is identical;
Step 4 is inject contaminating fluid by contaminating fluid injection device, opens the valve on the 3rd gas outlet, is exhausted, to valve-off immediately after discharging to bubble-free;
Step 5 is exhausted permeable stone above for the valve opened on second exhaust pipe, valve-off immediately after discharging to bubble-free;
Step 6 is to topped up with water in organic glass cylinder by water filling port;
Step 7 is confined pressure applying, fluctuation measuring equipment is exerted pressure, and opens the valve on the 3rd gas outlet, utilizes liquid volume measuring equipment and infiltration water filling device to carry out record, finally measures contaminating fluid concentration;
Step 4 in permeability test and adsorption test and the order of step 6 all replaceable.
Wherein, earth pillar sample need hit real producing according to density stratification.
Wherein, the hydraulic pressure that confined pressure applies, fluctuation measuring equipment is exerted pressure is 0-1MPa.
Wherein, the thickness of upper dankness stone and lower permeable stone is 5mm.
The beneficial effect adopting technique scheme to produce is: the present invention is applied by confined pressure, fluctuation measuring equipment enables infiltration-adsorption test carry out under the axi-symmetric stress condition of different fluctuations, and this will improve the close property of existing test findings greatly; Also permeability test and adsorption test are combined simultaneously, efficiently utilize resource, reduce production cost, instrument is more flexible, has and measures the feature accurate, precision is high, measuring result error is little.
Accompanying drawing explanation
Fig. 1 is structural representation of the present invention;
In figure: 1, permeate water filling device; 2, upper sealing panel; 3, lower seal plate; 4, upper steel column; 5, upper dankness stone; 6, organic glass cylinder; 7, earth pillar; 8, rubber pattern; 9, lower permeable stone; 10, lower steel column; 11, water injection pipe; 12, the 3rd gas outlet; 13, downtake pipe; 14, second exhaust pipe; 15, liquid volume measuring equipment; 16, confined pressure applies, fluctuate measuring equipment; 17, computing machine and data acquisition system (DAS); 18, water filling port; 19, contaminating fluid enters pipe; 20, contaminating fluid injection device; 21, valve.
Embodiment
Below in conjunction with the drawings and specific embodiments, the present invention is further detailed explanation.
In the present invention, earth pillar size is unified for diameter 39.1mm, height 80mm, this combines to measure earth pillar size used in shearing strength triaxial tester, and earth pillar can be made better to simulate seepage flow-characterization of adsorption under axi-symmetric stress condition, under confined pressure fluctuation status.
Shown in Figure 1, soil body penetration-adsorption test instrument comprises confined pressure and applies, fluctuation measuring equipment 16, liquid volume measuring equipment 15, computing machine and data acquisition system (DAS) 17, also comprise infiltration water filling device 1, contaminating fluid injection device 20, organic glass cylinder 6, rubber pattern 8, upper steel column 4 and lower steel column 10, earth pillar 7 is positioned in rubber pattern 8, earth pillar 7 transfers permeable stone, lower steel column 10 supports and is sealed in below lower permeable stone 9, upper steel column 4 be placed in upper dankness stone 5 above and seal, rubber pattern 8, upper steel column 4 and lower steel column 10 are placed in the organic glass cylinder 6 of sealing,
Infiltration water filling device 1 is communicated with lower permeable stone 9 by water injection pipe 11, and is provided with the downtake pipe 13 be communicated with lower permeable stone 9, is also provided with the second exhaust pipe 14 be communicated with upper dankness stone 5, water injection pipe 11 and gas outlet are equipped with valve 21;
Contaminating fluid injection device 20 enters pipe 19 by contaminating fluid and is connected with upper dankness stone 5, and is provided with the 3rd gas outlet 12 be communicated with lower permeable stone 9, and contaminating fluid enters on pipe 19 and the 3rd gas outlet 12 and is equipped with valve 21;
3rd gas outlet 12 and being all connected with liquid volume measuring equipment 15 with the second exhaust pipe 14 that upper dankness stone 5 is communicated with;
The upper end of organic glass cylinder 6 is provided with for the water filling port 18 to water filling in organic glass cylinder 6, confined pressure applying, fluctuation measuring equipment 16 are from the lower end of organic glass jar 6 and cylinder inner space, and confined pressure applies, fluctuation measuring equipment 16 is connected with data acquisition system (DAS) 17 with computing machine with liquid volume measuring equipment 15.
The upper end of organic glass cylinder 6 is sealed by upper sealing panel 2 and lower seal plate 3, and its lower end is also sealed by upper sealing panel 2 and lower seal plate 3.
Here is the test method of permeability test, comprises the following steps:
1) earth pillar sample producing, earth pillar sample need hit real producing according to density stratification, and puts into rubber pattern 8;
2) permeable stone is put at the two ends up and down of earth pillar sample, and the thickness of upper and lower permeable stone is 5mm;
3) rubber pattern 8 putting into earth pillar and permeable stone is put into organic glass jar 6, the two ends up and down of rubber pattern 8 support sealing, sealing with seal pad up and down of organic glass cylinder 6 with steel column 4 and lower steel column 10 respectively;
4) by topped up with water in water filling port 18 pairs of organic glass cylinders 6;
5) add clear water at infiltration water filling device 1, open the valve 21 on water injection pipe 11 and downtake pipe 13 simultaneously, carry out water filling exhaust, to downtake pipe 13, bubble-free is discharged, and closes the valve 21 on downtake pipe 13 immediately;
6) valve 21 opened on second exhaust pipe 14 is exhausted permeable stone above, valve-off 21 immediately after discharging to bubble-free;
7) confined pressure applying, fluctuation measuring equipment 16 are exerted pressure, and the hydraulic pressure of exerting pressure is 0-1MPa, opens the valve 21 on second exhaust pipe 14, utilize liquid volume measuring equipment 15 and infiltration water filling device 1 to carry out record, finally measure infiltration coefficient;
The step of the test method of adsorption test is as follows:
1) earth pillar sample producing, earth pillar sample need hit real producing according to density stratification, and puts into rubber pattern 8;
2) permeable stone is put at the two ends up and down of earth pillar sample, and the thickness of upper and lower permeable stone is 5mm;
3) rubber pattern 8 putting into earth pillar and permeable stone is put into organic glass jar 6, the two ends up and down of rubber pattern 8 support sealing, sealing with seal pad up and down of organic glass cylinder 6 with steel column 4 and lower steel column 10 respectively;
4) for inject contaminating fluid by contaminating fluid injection device 20, open the valve 21 on the 3rd gas outlet 12, be exhausted, to valve-off 21 immediately after discharging to bubble-free;
5) for the valve 21 opened on second exhaust pipe 14 is exhausted permeable stone above, valve-off 21 immediately after discharging to bubble-free;
6) be by topped up with water in water filling port 18 pairs of organic glass cylinders 6;
7) for confined pressure applying, fluctuation measuring equipment 16 are exerted pressure, the hydraulic pressure of exerting pressure is 0-1MPa, opens the valve 21 on the 3rd gas outlet 12, utilizes liquid volume measuring equipment 15 and infiltration water filling device 1 to carry out record, finally measures contaminating fluid concentration.
Wherein, the step 4 in permeability test and adsorption test and the order of step 6 all replaceable.
The present invention is the infiltration-adsorption test instrument be applied under the confined pressure surging condition in infiltration-adsorption test, by confined pressure applying, fluctuation measuring equipment 16, infiltration-adsorption test is carried out under the axi-symmetric stress condition of different fluctuations, this will improve the close property of existing test findings greatly.And this test also combines permeability test and adsorption test, efficiently utilize resource, reduce production cost, instrument is more flexible.

Claims (6)

1. soil body penetration-adsorption test instrument, comprise confined pressure to apply, fluctuation measuring equipment (16), liquid volume measuring equipment (15), computing machine and data acquisition system (DAS) (17), it is characterized in that, also comprise infiltration water filling device (1), contaminating fluid injection device (20), organic glass cylinder (6), rubber pattern (8), upper steel column (4) and lower steel column (10), earth pillar (7) is positioned in rubber pattern (8), earth pillar (7) transfers permeable stone, lower steel column (10) supports and is sealed in below lower permeable stone (9), upper steel column (4) be placed in upper dankness stone (5) above and seal, rubber pattern (8), upper steel column (4) and lower steel column (10) are placed in the organic glass cylinder (6) of sealing,
Infiltration water filling device (1) is communicated with lower permeable stone (9) by water injection pipe (11), and be provided with the downtake pipe (13) be communicated with lower permeable stone (9), also be provided with the second exhaust pipe (14) be communicated with upper dankness stone (5), water injection pipe (11) and gas outlet are equipped with valve (21);
Contaminating fluid injection device (20) enters pipe (19) by contaminating fluid and is connected with upper dankness stone (5), and being provided with the 3rd gas outlet (12) be communicated with lower permeable stone (9), contaminating fluid enters on pipe (19) and the 3rd gas outlet (12) and is equipped with valve (21);
3rd gas outlet (12) and being all connected with liquid volume measuring equipment (15) with the second exhaust pipe (14) that upper dankness stone (5) is communicated with;
The upper end of organic glass cylinder (6) is provided with for the water filling port (18) to organic glass cylinder (6) interior water filling, confined pressure applying, fluctuation measuring equipment (16) are from the lower end of organic glass jar (6) and cylinder inner space, and confined pressure applies, fluctuation measuring equipment (16) is connected with data acquisition system (DAS) (17) with computing machine with liquid volume measuring equipment (15).
2. soil body penetration according to claim 1-adsorption test instrument, is characterized in that, the upper end of organic glass cylinder (6) is by upper sealing panel (2) and lower seal plate (3) sealing, and its lower end is also by upper sealing panel (2) and lower seal plate (3) sealing.
3. soil body penetration-Adsorption Test Method, is characterized in that, the test method of permeability test comprises the following steps:
1) earth pillar sample producing, and put into rubber pattern (8);
2) permeable stone is put at the two ends up and down of earth pillar sample;
3) rubber pattern (8) putting into earth pillar and permeable stone is put into organic glass jar (6), the two ends up and down of rubber pattern (8) support sealing, sealing with seal pad up and down of organic glass cylinder (6) with steel column (4) and lower steel column (10) respectively;
4) by water filling port (18) to organic glass cylinder (6) interior topped up with water;
5) clear water is added in infiltration water filling device (1), open the valve (21) on water injection pipe (11) and downtake pipe (13) simultaneously, carry out water filling exhaust, to downtake pipe (13), bubble-free is discharged, and closes the valve (21) on downtake pipe (13) immediately;
6) valve (21) opened on second exhaust pipe (14) is exhausted permeable stone above, valve-off (21) immediately after discharging to bubble-free;
7) confined pressure applying, fluctuation measuring equipment (16) are exerted pressure, and open the valve (21) on second exhaust pipe (14), utilize liquid volume measuring equipment (15) and infiltration water filling device (1) to carry out record, finally measure infiltration coefficient;
The step of the test method of adsorption test is as follows:
Step 1-step 3 is identical;
Step 4 is inject contaminating fluid by contaminating fluid injection device (20), opens the valve (21) on the 3rd gas outlet (12), is exhausted, to valve-off (21) immediately after discharging to bubble-free;
Step 5 is exhausted permeable stone above for the valve (21) opened on second exhaust pipe (14), valve-off (21) immediately after discharging to bubble-free;
Step 6 is to organic glass cylinder (6) interior topped up with water by water filling port (18);
Step 7 is confined pressure applying, the measuring equipment (16) that fluctuates is exerted pressure, and opens the valve (21) on the 3rd gas outlet (12), utilizes liquid volume measuring equipment (15) and infiltration water filling device (1) to carry out record, finally measures contaminating fluid concentration;
Step 4 in permeability test and adsorption test and the order of step 6 all replaceable.
4. soil body penetration-Adsorption Test Method according to claim 3, is characterized in that, earth pillar sample need hit real producing according to density stratification.
5. soil body penetration-Adsorption Test Method according to claim 3, is characterized in that, the hydraulic pressure that confined pressure applies, fluctuation measuring equipment (16) is exerted pressure is 0-1MPa.
6. soil body penetration-Adsorption Test Method according to claim 3, is characterized in that, the thickness of upper dankness stone (5) and lower permeable stone (9) is 5mm.
CN201610055252.3A 2016-01-27 2016-01-27 Soil body permeation-adsorption tester and testing method thereof Pending CN105486843A (en)

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Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105699257A (en) * 2016-04-18 2016-06-22 山东大学 Experimental device applicable to earth-rock contact surface seepage failure and experimental method thereof
CN107505244A (en) * 2017-08-11 2017-12-22 上海岩土工程勘察设计研究院有限公司 A kind of Dispersion Test method suitable for hypotonicity soil
CN108931608A (en) * 2018-05-03 2018-12-04 中国地质大学(武汉) A kind of curing sludge diffusate collects test device and method
CN109092879A (en) * 2018-07-18 2018-12-28 东华大学 A kind of simulator improving methane emission reduction in landfill yard earthing using charcoal

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1670506A (en) * 2005-04-07 2005-09-21 河海大学 Flexible wall permeameter for measuring coefficient of permeability
CN101509865A (en) * 2009-03-25 2009-08-19 中国科学院地质与地球物理研究所 Nonsaturated soil hydraulic parameter measuring device and measuring method
CN202583038U (en) * 2012-01-11 2012-12-05 长春工程学院 Flexible wall penetration tester
CN104458533A (en) * 2014-12-05 2015-03-25 南京市建筑安装工程质量检测中心 Flexible wall permeameter and use method thereof
CN104535743A (en) * 2015-01-21 2015-04-22 中国海洋石油总公司 Evaluation device for dynamic scale-inhibitor adsorption of stratum minerals
CN104833579A (en) * 2015-04-24 2015-08-12 河海大学 Test device and test method for testing strength change of soil body after occurrence of seepage deformation of dykes and dams
CN205388599U (en) * 2016-01-27 2016-07-20 河北建筑工程学院 Soil body infiltration and adsorption test appearance

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1670506A (en) * 2005-04-07 2005-09-21 河海大学 Flexible wall permeameter for measuring coefficient of permeability
CN101509865A (en) * 2009-03-25 2009-08-19 中国科学院地质与地球物理研究所 Nonsaturated soil hydraulic parameter measuring device and measuring method
CN202583038U (en) * 2012-01-11 2012-12-05 长春工程学院 Flexible wall penetration tester
CN104458533A (en) * 2014-12-05 2015-03-25 南京市建筑安装工程质量检测中心 Flexible wall permeameter and use method thereof
CN104535743A (en) * 2015-01-21 2015-04-22 中国海洋石油总公司 Evaluation device for dynamic scale-inhibitor adsorption of stratum minerals
CN104833579A (en) * 2015-04-24 2015-08-12 河海大学 Test device and test method for testing strength change of soil body after occurrence of seepage deformation of dykes and dams
CN205388599U (en) * 2016-01-27 2016-07-20 河北建筑工程学院 Soil body infiltration and adsorption test appearance

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105699257A (en) * 2016-04-18 2016-06-22 山东大学 Experimental device applicable to earth-rock contact surface seepage failure and experimental method thereof
CN105699257B (en) * 2016-04-18 2018-09-04 山东大学 A kind of experimental rig and its test method being suitable for native stone contact surface seepage failure
CN107505244A (en) * 2017-08-11 2017-12-22 上海岩土工程勘察设计研究院有限公司 A kind of Dispersion Test method suitable for hypotonicity soil
CN108931608A (en) * 2018-05-03 2018-12-04 中国地质大学(武汉) A kind of curing sludge diffusate collects test device and method
CN108931608B (en) * 2018-05-03 2020-09-29 中国地质大学(武汉) Solidified sludge leachate collection and test device and method
CN109092879A (en) * 2018-07-18 2018-12-28 东华大学 A kind of simulator improving methane emission reduction in landfill yard earthing using charcoal

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Application publication date: 20160413